16a, Lower Flat, High Street, Portsmouth, PO1 2LP
About 16a
16a is a mid-terrace house in Portsmouth (PO1 2LP). It has a recorded floor area of 68 m² (around 732 sq ft), construction records dating it to before 1900 and council tax band C. At 68 m² this is the smallest unit on EPC record across 16a (68–76 m²). The building's EPC ratings span E to D, with this unit at the top. On EPC score it ranks first in the building (65 versus a worst of 52). The latest certificate (March 2019) shows a D (score 65), on the cusp of jumping into the C band. When first surveyed in December 2008 the rating was G, the property has climbed 3 bands since. Between certificates, wall efficiency went from Very Poor to Poor, hot-water efficiency went from Very Poor to Good and lighting went from Very Poor to Very Good. The recommended improvements would push it to C (score 75).
At 68 m² it sits well below the postcode median (132 m² across 16 EPCs), making it one of the more compact homes locally.
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Upgraded to gas central heating
Connected to mains gas supply
Heating system changed
Changed to a more efficient fuel source
Heating controls changed
Hot water system upgraded
More low energy lighting installed
Heating system changed
Heating controls upgraded for better temperature management
Hot water system changed
Wall insulation improved
Upgraded to gas central heating
Connected to mains gas supply
Hot water system upgraded
Wall insulation improved
More low energy lighting installed
Low energy lighting percentage decreased
Changed to a more efficient fuel source
Hot water system changed
Connected to mains gas supply
Heating controls upgraded for better temperature management
Hot water system upgraded
Wall insulation improved
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919, has been extended more than once, and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £885 · Includes VAT
Planning history
16a has no planning applications on record.
A planning report still maps activity across the surrounding area and reads this property's extension & conversion potential.
Sales history & valuation
16a has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£287,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
Median price across the last 5 sales in PO1 2LP: £582,000 (2022–2015).
Nearby sales in PO1 2LP
Versus other High Street homes
EPC Rating for 16a runs comfortably ahead of the street norm.
EPC Rating
65 (D)
Street avg 47 (E)
Floor Area
68 m²
Street avg 65 m²
CO₂ Emissions
2.8 t/year
Street avg 4.6 t/year
Habitable Rooms
2 rooms
Street avg 3 rooms
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
9/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Portsmouth Grammar School — bus stop.
Closest school
0.1 km
St Jude's CofE Primary School. 28 schools nearby.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
52.1dB

Night-time· 23:00 – 07:00
43.4dB







